Wilkinson, on the other hand, is already nervous about her competition -- especially Alley, 60.

"I'm worried about the Karate Kid [RalphMacchio], the wrestler [ChrisJericho] and the boxer [Sugar RayLeonard], because it's all about brainwork with dancing and they have it already," she told Us. "They've been choreographed before and I haven't! I'm all about freestyle and shaking my butt! That's all I got! And I think Kirstie Alley wins the popularity vote; she has the most fans, I think."